JPS5974744A - 秘匿通信方式 - Google Patents
秘匿通信方式Info
- Publication number
- JPS5974744A JPS5974744A JP18550682A JP18550682A JPS5974744A JP S5974744 A JPS5974744 A JP S5974744A JP 18550682 A JP18550682 A JP 18550682A JP 18550682 A JP18550682 A JP 18550682A JP S5974744 A JPS5974744 A JP S5974744A
- Authority
- JP
- Japan
- Prior art keywords
- call
- privacy
- digital
- signal
- exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18550682A JPS5974744A (ja) | 1982-10-22 | 1982-10-22 | 秘匿通信方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18550682A JPS5974744A (ja) | 1982-10-22 | 1982-10-22 | 秘匿通信方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5974744A true JPS5974744A (ja) | 1984-04-27 |
| JPS6212705B2 JPS6212705B2 (enrdf_load_stackoverflow) | 1987-03-20 |
Family
ID=16171967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18550682A Granted JPS5974744A (ja) | 1982-10-22 | 1982-10-22 | 秘匿通信方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5974744A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0276358A (ja) * | 1988-09-13 | 1990-03-15 | Kokusai Electric Co Ltd | 電話装置 |
| JPH0481039A (ja) * | 1990-07-20 | 1992-03-13 | Nippon Telegr & Teleph Corp <Ntt> | 音声暗号装置 |
-
1982
- 1982-10-22 JP JP18550682A patent/JPS5974744A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0276358A (ja) * | 1988-09-13 | 1990-03-15 | Kokusai Electric Co Ltd | 電話装置 |
| JPH0481039A (ja) * | 1990-07-20 | 1992-03-13 | Nippon Telegr & Teleph Corp <Ntt> | 音声暗号装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6212705B2 (enrdf_load_stackoverflow) | 1987-03-20 |
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